Common Configuration

Clicking Document Types Management opens its dashboard on the right. Refer to the screenshot below:

In the Common Configuration panel, you can make it so that users cannot select a main document type name if one or more sub-types exist for that type.
In this panel, you also select whether Document Types are sorted by Logical order (the order in which they were entered) or sorted Alphabetically.
Here, too, you select the default Auto Name Separator; you can choose any character, or you can make the auto separator a blank space.
On enabling Allow edit fields with default value assigned, some document metadata fields will be filled automatically on creating a document and selecting a document type from the configured list.
If you make any changes in this panel, click Save at the bottom of the panel.